Vega VEGAKON 66, Operating Instructions Manual

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8 VEGAKON 66
Mounting
2 Mounting
2.1 General instructions
- Seal VEGAKON on the thread in case of
gauge or low pressure. Cover the thread with
Teflon tape, hemp or similar or use the sup-
plied seal ring.
- In case of strong vibrations and shocks, e.g.
by stirrers or turbulences in the vessel
etc., it is possible that the rod of
VEGAKON 66 will vibrate or swing. Make
sure that with a fastening at the respective
location, these vibrations are eliminated or
reduced to a minimum.
- With horizontal mounting, rotate the hous-
ing, so that after electrical connection, the
thread connection point downward. This
helps prevent moisture ingress. For this
purpose, the housing is rotatable by 330°.
With vertical mounting, loop the connection
line(s) downward from the PG so that rain
and condensation water can drain off.
- When mounting a VEGAKON 66 laterally, we
recommend installing it approx. 20° in-
clined that the excess medium can drain
off easily and buildup on the insulation is
avoided.
- In case of agitated product surfaces, foam
generation or strong currents in the vessel,
VEGAKON 66 should be mounted in a
bypass tube.
2.2 Installation
- Vertically mounted
with one rod:
For level detection in metallic vessels. The
ground rod can be replaced by the ground
connection to the vessel.
Electrodes with a single measuring rod
only serve a purpose when detection is
done in viscous or highly conductive medi-
ums - in the absence of other rods, no
product bridge can form. As a rule, elec-
trodes including an earth rod should be
used for all other applications.
with two rods:
for level detection (min. or max.)
with three rods:
for pump control/double point control
- laterally mounted with two rod for level detec-
tion
ca. 20˚
The determination of the rod lengths as well
as the response height are explained under
"4.2 Switching point adjustment".